CN104945956A - Modified calcium carbonate with heat insulation and heat preservation effects and preparation method thereof - Google Patents
Modified calcium carbonate with heat insulation and heat preservation effects and preparation method thereof Download PDFInfo
- Publication number
- CN104945956A CN104945956A CN201510302353.1A CN201510302353A CN104945956A CN 104945956 A CN104945956 A CN 104945956A CN 201510302353 A CN201510302353 A CN 201510302353A CN 104945956 A CN104945956 A CN 104945956A
- Authority
- CN
- China
- Prior art keywords
- calcium carbonate
- weight
- parts
- modified calcium
- deionized water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses modified calcium carbonate with heat insulation and heat preservation effects and a preparation method thereof. The modified calcium carbonate is prepared from 100-150 parts by weight of calcium carbonate, 30-50 parts by weight of sodium oleate, 0.3-0.7 parts by weight of sodium dodecyl benzene sulfonate, 1-3 parts by weight of sodium bicarbonate, 4-8 parts by weight of styrene, 0.02-0.05 parts by weight of potassium persulphate, 3-5 parts by weight of fumed silica, 2-3 parts by weight of organic bentonite, 1-2 parts by weight of aluminum sulfate, 2-4 parts by weight of polyoxyethylene, 1-1.5 parts by weight of cetanol and a proper amount of deionized water. Through interaction of aluminum sulfate, polyoxyethylene and cetanol, heat insulation, heat preservation and erosion resistance of calcium carbonate are greatly promoted. The modified calcium carbonate is superior to unmodified calcium carbonate, and obviously improves calcium carbonate use performances such as tensile property and rigidity in a polymer. The modification method is simple and environmentally friendly. Compared with the existing product, the product obtained by the preparation method has higher performances and a good application prospect and is suitable for large scale production.
Description
Technical field
The present invention relates to industrial filler field, particularly a kind of modified calcium carbonate with thermal insulation function and preparation method thereof.
Background technology
calcium carbonate is as rubber, the filler of plastics, the thermotolerance of goods can be improved, wear resistance, dimensional stability, rigidity and workability, and reduce the cost of goods, but the hydroxyl that its surface has wetting ability stronger, present stronger alkalescence, the affinity of the calcium carbonate that this hydrophilic thin oil properties makes and organic polymer is poor, easy formation aggregate, part in superpolymer is caused to disperse uneven, thus cause boundary defect between bi-material, direct effect is bad, and calcium carbonate is as filler, its acid resistance, slickness, the performances such as whiteness need further raising, therefore, in order to improve the physicals of the strengthening action of calcium carbonate and dispersing property in the composite and modified calcium carbonate filled composite materials, be necessary to adopt different surface-modifying agents and treatment process to carry out surface modification to calcium carbonate powders, and then widen the Application Areas of calcium carbonate.
Polymer/inorganic particle matrix material is a kind of type material, which overcome simple inorganic particulate not easily to process, organic polymer intensity is lower, the shortcomings such as less stable, under synergistic effect, can obtain upgrading than inorganic particulate and organic polymer, more excellent performance, improve the stability of composite prod and the dispersiveness in organic phase, the performances such as physical strength, the present invention adopts polymer overmold modified calcium carbonate, solve the hydrophilic oleophobic of carbonic acid carbon, dispersed bad, free settling, physical strength is not high, the problems such as enhancement cannot be reached with polymer compatibility difference, improve the range of application of calcium carbonate.
Summary of the invention
The object of this invention is to provide a kind of modified calcium carbonate with thermal insulation function and preparation method thereof.In order to realize object of the present invention, the present invention is by following scheme implementation:
A kind of modified calcium carbonate with thermal insulation function and preparation method thereof, is made up of the raw material of following weight part: calcium carbonate 100-150, sodium oleate 30-50, Sodium dodecylbenzene sulfonate 0.3-0.7, sodium bicarbonate 1-3, vinylbenzene 4-8, Potassium Persulphate 0.02-0.05, aerosil 3-5, organobentonite 2-3, Tai-Ace S 150 1-2, polyoxyethylene 2-4, hexadecanol 1-1.5, deionized water are appropriate;
A kind of modified calcium carbonate with thermal insulation function of the present invention and preparation method thereof, be made up of following concrete steps:
(1) sodium oleate is added the aqueous solution sodium oleate that deionized water dissolving makes 1%, electric stirring 10min raised temperature to 60 ° C, add calcium carbonate and stir 1.5h, stirred suction filtration after rear standing 4-6h, with deionized water wash, dry for standby under 80 ° of C in an oven;
(2) modified calcium carbonate obtained for step (1) is added in the four-necked bottle with driven stirring rod and reflux condensing tube, adding appropriate water stirring makes modified calcium carbonate become slurries, stirring is stopped to add Sodium dodecylbenzene sulfonate and sodium bicarbonate, vinylbenzene is added after stirring 0.5h in a nitrogen atmosphere, persulfate aqueous solution is dripped after mixture being warming up to 80 ° of C, constant temperature is centrifugal after keeping 80 ° of C8h, with dry under 80 ° of C in an oven after deionized water rinsing, after to be ground into 300-400 order for subsequent use;
(3) the methanol solution activation 0.5h of 3-5 times amount is added after organobentonite and aerosil being mixed, 5 μm are less than to particle diameter again at grinding machine for grinding 2-3h, add deionized water ultrasonic disperse more even, transfer in flask the product adding step (2) gained again, raised temperature is to 80-100 ° of C, the ultrasonic methyl alcohol that is back to volatilizees, and dries product;
(4) by remaining mixing of materials, stir when being heated to 40-60 ° of C, then the product adding step (3) gained is under the rotating speed of 1300-1500 rev/min, stirs 8-10min, naturally cool to room temperature after insulation 10-15min, grind to form nanometer powdery.
Advantage of the present invention is: the present invention's sodium oleate makes calcium carbonate surface organise as properties-correcting agent, calcium carbonate particles surface is made to have certain hydrophobicity, and double bond is introduced calcium carbonate surface, using modified calcium carbonate particle as seed, the method of letex polymerization has prepared polystyrene coated caco3 composite particles, enhance the consistency of calcium carbonate and polymkeric substance, and easily disperse, not easily reunite, physical strength is high, the present invention is also by aerosil and organobentonite activation aftertreatment modified calcium carbonate, silicon-dioxide is made to stick to the surface of calcium carbonate, not free settling, be uniformly dispersed, suspension stability is good, and further enhancing the oilness of calcium carbonate, water tolerance and high thermal resistance, calcium carbonate is had a wide range of applications in the industry, the Tai-Ace S 150 added, polyoxyethylene and hexadecanol interact, facilitate calcium carbonate largely heat insulation, insulation, the performance of the aspects such as resistant to corrosion, modified calcium carbonate of the present invention is better than unmodified, significantly improve the application performance of calcium carbonate in polymer material, as stretched and the enhancing of rigidity, and method of modifying of the present invention is simple, environmental protection, and the Performance Ratio of product had significant improvement originally, application prospect is better, be worth scale operation.
Specific embodiments
Below by specific examples, the present invention is described in detail.
A kind of modified calcium carbonate with thermal insulation function and preparation method thereof, is made up of the raw material of following weight part (kilogram): calcium carbonate 150, sodium oleate 46, Sodium dodecylbenzene sulfonate 0.5, sodium bicarbonate 2, vinylbenzene 6, Potassium Persulphate 0.04, aerosil 5, organobentonite 3, Tai-Ace S 150 2, polyoxyethylene 3, hexadecanol 1, deionized water are appropriate;
A kind of modified calcium carbonate with thermal insulation function of the present invention and preparation method thereof, be made up of following concrete steps:
(1) sodium oleate is added the aqueous solution sodium oleate that deionized water dissolving makes 1%, electric stirring 10min raised temperature to 60 ° C, add calcium carbonate and stir 1.5h, stirred suction filtration after rear standing 6h, with deionized water wash, dry for standby under 80 ° of C in an oven;
(2) modified calcium carbonate obtained for step (1) is added in the four-necked bottle with driven stirring rod and reflux condensing tube, adding appropriate water stirring makes modified calcium carbonate become slurries, stirring is stopped to add Sodium dodecylbenzene sulfonate and sodium bicarbonate, vinylbenzene is added after stirring 0.5h in a nitrogen atmosphere, persulfate aqueous solution is dripped after mixture being warming up to 80 ° of C, constant temperature is centrifugal after keeping 80 ° of C8h, with dry under 80 ° of C in an oven after deionized water rinsing, after to be ground into 400 orders for subsequent use;
(3) the methanol solution activation 0.5h of 5 times amount is added after organobentonite and aerosil being mixed, 5 μm are less than to particle diameter again at grinding machine for grinding 2h, add deionized water ultrasonic disperse more even, transfer in flask the product adding step (2) gained again, raised temperature to 100 ° C, the ultrasonic methyl alcohol that is back to volatilizees, and dries product;
(4) by remaining mixing of materials, stir when being heated to 40 ° of C, then the product adding step (3) gained is under the rotating speed of 1500 revs/min, stirs 8min, naturally cool to room temperature after insulation 10min, grind to form nanometer powdery.
The modified calcium carbonate produce the present invention and unmodified calcium carbonate performance compare, obtain modified calcium carbonate and reduce 54.5% than unmodified calcium carbonate oil-absorption(number), settling volume reduces 64.3%, viscosity reduces 64.2%, and tap density reduces 16.7%, and modified calcium carbonate oleophilic drainage is described, good with polymer compatibility, and tap density diminishes, illustrate that calcium carbonate dispersing property is good, not easily reunite.
Claims (2)
1. modified calcium carbonate with thermal insulation function and preparation method thereof, it is characterized in that, be made up of the raw material of following weight part: calcium carbonate 100-150, sodium oleate 30-50, Sodium dodecylbenzene sulfonate 0.3-0.7, sodium bicarbonate 1-3, vinylbenzene 4-8, Potassium Persulphate 0.02-0.05, aerosil 3-5, organobentonite 2-3, Tai-Ace S 150 1-2, polyoxyethylene 2-4, hexadecanol 1-1.5, deionized water are appropriate.
2. a kind of modified calcium carbonate with thermal insulation function and preparation method thereof according to claim 1, is characterized in that, be made up of following concrete steps:
(1) sodium oleate is added the aqueous solution sodium oleate that deionized water dissolving makes 1%, electric stirring 10min raised temperature to 60 ° C, add calcium carbonate and stir 1.5h, stirred suction filtration after rear standing 4-6h, with deionized water wash, dry for standby under 80 ° of C in an oven;
(2) modified calcium carbonate obtained for step (1) is added in the four-necked bottle with driven stirring rod and reflux condensing tube, adding appropriate water stirring makes modified calcium carbonate become slurries, stirring is stopped to add Sodium dodecylbenzene sulfonate and sodium bicarbonate, vinylbenzene is added after stirring 0.5h in a nitrogen atmosphere, persulfate aqueous solution is dripped after mixture being warming up to 80 ° of C, constant temperature is centrifugal after keeping 80 ° of C8h, with dry under 80 ° of C in an oven after deionized water rinsing, after to be ground into 300-400 order for subsequent use;
(3) the methanol solution activation 0.5h of 3-5 times amount is added after organobentonite and aerosil being mixed, 5 μm are less than to particle diameter again at grinding machine for grinding 2-3h, add deionized water ultrasonic disperse more even, transfer in flask the product adding step (2) gained again, raised temperature is to 80-100 ° of C, the ultrasonic methyl alcohol that is back to volatilizees, and dries product;
(4) by remaining mixing of materials, stir when being heated to 40-60 ° of C, then the product adding step (3) gained is under the rotating speed of 1300-1500 rev/min, stirs 8-10min, naturally cool to room temperature after insulation 10-15min, grind to form nanometer powdery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510302353.1A CN104945956A (en) | 2015-06-05 | 2015-06-05 | Modified calcium carbonate with heat insulation and heat preservation effects and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510302353.1A CN104945956A (en) | 2015-06-05 | 2015-06-05 | Modified calcium carbonate with heat insulation and heat preservation effects and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104945956A true CN104945956A (en) | 2015-09-30 |
Family
ID=54161046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510302353.1A Pending CN104945956A (en) | 2015-06-05 | 2015-06-05 | Modified calcium carbonate with heat insulation and heat preservation effects and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104945956A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107286284A (en) * | 2017-07-21 | 2017-10-24 | 张娟 | A kind of preparation method of saponified acrylic acid ester copolymerization insulation material |
| CN112374520A (en) * | 2020-11-27 | 2021-02-19 | 广西华纳新材料科技有限公司 | Preparation method of active calcium carbonate for moisture-curing polyurethane sealant |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104031417A (en) * | 2014-05-20 | 2014-09-10 | 凤台精兴生物科技有限公司 | Modified calcium carbonate with heat-isolating heat-insulating effect and preparation method thereof |
-
2015
- 2015-06-05 CN CN201510302353.1A patent/CN104945956A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104031417A (en) * | 2014-05-20 | 2014-09-10 | 凤台精兴生物科技有限公司 | Modified calcium carbonate with heat-isolating heat-insulating effect and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 徐峰: "《建筑涂料生产与施工技术百问》", 31 December 2002 * |
| 盛野: "《吉林大学博士学位论文》", 31 December 2006 * |
| 阳铁健: "纳米碳酸钙表面改性技术研究进展", 《无机盐工业》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107286284A (en) * | 2017-07-21 | 2017-10-24 | 张娟 | A kind of preparation method of saponified acrylic acid ester copolymerization insulation material |
| CN112374520A (en) * | 2020-11-27 | 2021-02-19 | 广西华纳新材料科技有限公司 | Preparation method of active calcium carbonate for moisture-curing polyurethane sealant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104987723A (en) | Modified calcium carbonate with good antistatic effect and preparation method thereof | |
| CN105153750A (en) | Wear-resistant surface modified calcium carbonate filler and preparation method thereof | |
| CN101239800B (en) | Carbon nano-tube enhanced cement-base composite material and preparation method thereof | |
| CN103804553B (en) | A kind of preparation method of Graphene/polyvinyl chloride composite materials | |
| CN103254888A (en) | Clean-water carrying fracturing supporting agent and preparation method | |
| CN102516821A (en) | Surface modification method of nano-grade calcium carbonate used in room-temperature vulcanized silicone adhesive | |
| CN101967257A (en) | Pure acrylic emulsion modified by inorganic nanoparticles and preparation method thereof | |
| CN105153751A (en) | High fluidity modified calcium carbonate for plastics and preparation method thereof | |
| CN105111504A (en) | Modified calcium carbonate with excellent acid resistance and preparation method thereof | |
| CN104927401A (en) | Modified calcium carbonate and preparation method thereof | |
| CN105111500A (en) | Modified calcium carbonate for uvioresistant cable material and preparation method thereof | |
| CN104987755A (en) | Modified calcium carbonate with good mildew-resistant and insect-preventing effects and preparation method thereof | |
| CN105038318A (en) | Modified calcium carbonate filler with favorable sound absorption and sound insulation effects and preparation method thereof | |
| CN105038369A (en) | Modified calcium carbonate filler for paint and preparation method thereof | |
| CN105038321A (en) | Modified calcium carbonate with good heatproof property and preparation method thereof | |
| CN106967310B (en) | Dedicated modified calcium carbonate of a kind of paint class and preparation method thereof | |
| CN102977642B (en) | Production method of superfine modified ground calcium carbonate by wet grinding | |
| CN104927399A (en) | Corrosion resistant modified calcium carbonate with excellent overall performances and preparation method thereof | |
| CN104945956A (en) | Modified calcium carbonate with heat insulation and heat preservation effects and preparation method thereof | |
| CN108359274A (en) | Rosin derivative chelates calcium modified Nano or lightweight CaCO3Powder preparation method | |
| CN105086516A (en) | Modified calcium carbonate with high whiteness and wide application range and preparation method thereof | |
| CN105111792A (en) | Modified calcium carbonate having good water-repellent oleophilic moisture-proof effects and preparation method thereof | |
| CN105111499A (en) | Modified calcium carbonate capable of reinforcing plastic strength and preparation method therefor | |
| CN105038322A (en) | Modified calcium carbonate for automobile plastic and preparation method thereof | |
| CN110981244B (en) | Concrete residual slurry treatment process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150930 |
|
| RJ01 | Rejection of invention patent application after publication |